Leeham News and Analysis
There's more to real news than a news release.
Pontifications: Signs point to China OK soon for Boeing deliveries, orders
Aug. 29, 2022, © Leeham News: The Chinese government appears on a path toward authorizing Boeing to resume deliveries to airlines by or early in the fourth quarter, China watchers tell LNA. China hasn’t placed new orders for… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 34P. eVTOL battery cells. The deeper discussion.
Subscription required August 26, 2022, ©. Leeham News: This is a complementary article to Part 34, eVTOL battery cells. It discusses the trickiest system on an eVTOL, the battery system, and its key component, the battery cells. The… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 34. eVTOL battery cells
August 26, 2022, ©. Leeham News: This is a summary of the article Part 34P, eVTOL battery cells. It discusses the main component of the battery system, the battery cell. The Lithium-Ion cells in an eVTOL battery system… Read More
Engine Development. Part 2. The early jet engines.
Subscription Required By Bjorn Fehrm Introduction August 25, 2022, © Leeham News: Last week, we started a series about jet engine development for our air transport aircraft. The jet engine came to replace the piston and gas turbine… Read More
Orders at Risk: Summer 2022 Snapshot
Subscription Required By Vincent Valery Introduction Aug. 22, 2022, © Leeham News: The ink has now dried on the orders signed at the 2022 Farnborough Air Show. Boeing announced more orders than Airbus, mainly because of a sold-out… Read More
Pontifications: Heros and a thriller–two book reviews
Fly Boy Heroes, The Story of the Medal of Honor Recipients of the Air War Against Japan By James H. Hallas. Stackpole Books, $29.95. The First Counterspy By Kay Haas and Walter W. Pickut. Lyons Press, $29.95. Aug…. Read More
Bjorn’s Corner: Sustainable Air Transport. Part 33P. eVTOL batteries. The deeper discussion.
Subscription required August 19, 2022, ©. Leeham News: This is a complementary article to Part 33, eVTOL batteries. It discusses the trickiest system on an eVTOL, the battery system. While Lithium Ion batteries have come a long way… Read More
Bjorn’s Corner: Sustainable Air Transport. Part 33. eVTOL batteries.
August 19, 2022, ©. Leeham News: This is a summary of article Part 33P, eVTOL batteries. This article discusses the trickiest system on an eVTOL, the battery system. The battery system supplies the energy to the VTOL, and… Read More
Engine Development, Part 1: Launch to Entry into Service
Subscription Required By Vincent Valery Introduction Pratt & Whitney Geared Turbofan Aug 18, 2022, © Leeham News: LNA analyzed the evolution of commercial aircraft development timelines last month. The time between a program launch and entry into service… Read More